65 lines
1.9 KiB
PHP
65 lines
1.9 KiB
PHP
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<?php
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namespace app\mzl\common\utils;
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class SearchHelper
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{
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public static function parseFiltersAndRelations(array $params, array $mapping): array
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{
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$filters = [];
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$relations = [];
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$hasRelations = [];
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// 解析过滤条件和关联字段
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foreach ($mapping as $paramKey => $definition) {
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$field = $definition['field'];
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$operator = $definition['operator'];
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$value = $params[$paramKey] ?? null;
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if (self::isValidValue($value, $operator)) {
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$filters[] = compact('field', 'operator', 'value');
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if (str_contains($field, '.')) {
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$relations[] = self::extractRelationPath($field);
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}
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}
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}
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// 解析 whereHas 关联字段（如 profile.age）
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foreach ($params as $key => $value) {
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if (str_contains($key, '.')) {
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$relation = explode('.', $key)[0]; // 获取关联名
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$hasRelations[$relation] = function ($query) use ($key, $value) {
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$query->where($key, '=', $value);
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};
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}
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}
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return [
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'filters' => $filters,
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'relations' => array_unique($relations),
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'hasRelations' => $hasRelations,
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];
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}
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private static function isValidValue(mixed $value, string $operator): bool
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{
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$operator = strtolower($operator);
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if (in_array($operator, ['in', 'not_in', 'between'])) {
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return is_array($value) && !empty($value);
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}
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if (in_array($operator, ['null', 'not_null'])) {
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return true;
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}
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return $value !== '' && $value !== null;
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}
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private static function extractRelationPath(string $field): string
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{
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$parts = explode('.', $field);
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array_pop($parts);
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return implode('.', $parts);
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}
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}
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